There is provided a mobile telephone in which a camera portion is rotatably provided in a coupling partition for rotatably coupling a first casing and a second casing with each other, a main display part and a manipulating part are provided in a casing surface which is hidden in a condition in which the first casing and the second casing are folded to each other. And a subdisplay part and an image pick-up button are provided in a first casing surface which is always exposed, and a switch for changing over the display condition of the subdisplay part between a camera mode and an equipment status display mode is provided, whereby the image pick-up by the camera portion can be simply carried out with no affection by folding motion of the casings.